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Siemens
  • Monitoring relay
  • Mountable on 3RT2 contactor
  • Size S0
  • Digital adjustable
  • Apparent/active current monitoring 4-40 A
  • 20-400 Hz
  • 3-phase
  • 24-240 V AC/DC
  • 1 x changeover contact
  • 1 x semiconductor output for alarm and warning
  • Screw connection
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Parts list

Current monitoring relay Siemens SIRIUS 3RR2242-1FW30

extended guarantee
Item number: 101489
EAN: 4011209787308
£169.47
plus VAT plus dispatch
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Corresponding accessories
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
1
Stand-alone installation Siemens SIRIUS 3RU2926-3AA01
Stand-alone installation support for 3RU/3RB/3RR, Size S0, Screw connection
Item number: 101493
£9.81
plus VAT plus dispatch
currently out of stock
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Technical details
General data

Active current monitoring
1 x Changeover contact, 1 x Solid-state output
S0

Electrical data

4-40 A
40 A
6 kV

Mechanical data

91 mm
87 mm
45 mm
Screw-type terminals

Ambient conditions

-20 °C
60 °C
IP20

Further information

UL
CE
CSA

Classification

27-37-11-05
27-37-18-02
27-37-18-02
EC001440
85364900

Product description
Current monitoring relay Siemens SIRIUS 3RR2242-1FW30
The SIRIUS current monitoring relay 3RR2242-1FW30 from Siemens monitors the complete system for too high or too low current, wire break or phase failure. Thanks to the wide digital setting range of 4.0-40 A, the variety of types can be considerably reduced using the current monitoring relay 3RR2242-1FW30. In size S0, the monitoring relay offers optimum protection for your installation. The proven screw connection of the current monitoring relay 3RR2242-1FW30 ensures the familiar wiring of your system. Monitoring relays are used in all areas of electrical switchgear technology.
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